Add basic structure for a collaborative pixel art website

Adds the core project structure, including configuration files, a basic HTML page, and the main application component. It also lays the groundwork for the canvas, color palette, and configuration modal functionalities.

Replit-Commit-Author: Agent
Replit-Commit-Session-Id: 0385ea33-cde8-4bbd-8fce-8d192d30eb41
Replit-Commit-Checkpoint-Type: full_checkpoint
Replit-Commit-Screenshot-Url: https://storage.googleapis.com/screenshot-production-us-central1/870d08ce-da3b-4822-9874-c2fe2b7628b1/0385ea33-cde8-4bbd-8fce-8d192d30eb41/Vuy7IOw

server/vite.ts

@@ -0,0 +1,85 @@
+import express, { type Express } from "express";
+import fs from "fs";
+import path from "path";
+import { createServer as createViteServer, createLogger } from "vite";
+import { type Server } from "http";
+import viteConfig from "../vite.config";
+import { nanoid } from "nanoid";
+
+const viteLogger = createLogger();
+
+export function log(message: string, source = "express") {
+  const formattedTime = new Date().toLocaleTimeString("en-US", {
+    hour: "numeric",
+    minute: "2-digit",
+    second: "2-digit",
+    hour12: true,
+  });
+
+  console.log(`${formattedTime} [${source}] ${message}`);
+}
+
+export async function setupVite(app: Express, server: Server) {
+  const serverOptions = {
+    middlewareMode: true,
+    hmr: { server },
+    allowedHosts: true as const,
+  };
+
+  const vite = await createViteServer({
+    ...viteConfig,
+    configFile: false,
+    customLogger: {
+      ...viteLogger,
+      error: (msg, options) => {
+        viteLogger.error(msg, options);
+        process.exit(1);
+      },
+    },
+    server: serverOptions,
+    appType: "custom",
+  });
+
+  app.use(vite.middlewares);
+  app.use("*", async (req, res, next) => {
+    const url = req.originalUrl;
+
+    try {
+      const clientTemplate = path.resolve(
+        import.meta.dirname,
+        "..",
+        "client",
+        "index.html",
+      );
+
+      // always reload the index.html file from disk incase it changes
+      let template = await fs.promises.readFile(clientTemplate, "utf-8");
+      template = template.replace(
+        `src="/src/main.tsx"`,
+        `src="/src/main.tsx?v=${nanoid()}"`,
+      );
+      const page = await vite.transformIndexHtml(url, template);
+      res.status(200).set({ "Content-Type": "text/html" }).end(page);
+    } catch (e) {
+      vite.ssrFixStacktrace(e as Error);
+      next(e);
+    }
+  });
+}
+
+export function serveStatic(app: Express) {
+  const distPath = path.resolve(import.meta.dirname, "public");
+
+  if (!fs.existsSync(distPath)) {
+    throw new Error(
+      `Could not find the build directory: ${distPath}, make sure to build the client first`,
+    );
+  }
+
+  app.use(express.static(distPath));
+
+  // fall through to index.html if the file doesn't exist
+  app.use("*", (_req, res) => {
+    res.sendFile(path.resolve(distPath, "index.html"));
+  });
+}